updating link to RFC npm#10 in the changelog

Author: mansona

CHANGELOG.md

@@ -1,6 +1,6 @@
 ## v6.8.0 (2019-02-07):
 
-This release includes an implementation of [RFC #10](https://github.com/npm/rfcs/blob/latest/accepted/0010-monorepo-subdirectory-declaration.md), documenting an optional field that can be used to specify
+This release includes an implementation of [RFC #10](https://github.com/npm/rfcs/blob/latest/implemented/0010-monorepo-subdirectory-declaration.md), documenting an optional field that can be used to specify
 the directory path for a package within a monorepo.
 
 ### NEW FEATURES
@@ -17,7 +17,7 @@ the directory path for a package within a monorepo.
   ([@zkat](https://github.com/zkat))
 * [`cdb059293`](https://github.com/npm/cli/commit/cdb0592939d6256c80f7ec5a2b6251131a512a2a)
   [#144](https://github.com/npm/cli/pull/144)
-  Fix common.npm callback arguments. 
+  Fix common.npm callback arguments.
   ([@larsgw](https://github.com/larsgw))
 * [`25573e9b9`](https://github.com/npm/cli/commit/25573e9b9d5d26261c68d453f06db5b3b1cd6789)
   [npm.community#4770](https://npm.community/t/https://npm.community/t/4770)